3 × 7 × 19 × 2161

Prime Factor Structure

Factorization String 3 × 7 × 19 × 2161

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,383,680

Proper Divisor Sum 521,441

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #862231 ← → #862241

1 3 7 19 21 57 133 399 2,161 6,483 15,127 41,059 45,381 123,177 287,413 862,239

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

862,239 2,586,718 1,293,359 3,880,078 1,940,039 5,820,118 2,910,059 8,730,178 4,365,089 13,095,268 6,547,634 3,273,817 9,821,452 4,910,726 2,455,363 7,366,090 3,683,045 11,049,136 5,524,568 2,762,284 1,381,142 690,571 2,071,714 1,035,857 3,107,572 1,553,786 776,893 2,330,680 1,165,340 582,670 291,335 874,006 437,003 1,311,010 655,505 1,966,516 983,258 491,629 1,474,888 737,444 368,722 184,361 553,084 276,542 138,271 414,814 207,407 622,222 311,111 933,334 466,667 1,400,002 700,001 2,100,004 1,050,002 525,001 1,575,004 787,502 393,751 1,181,254

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.